public static void main(String[] args) {
BufferedReader in = null; //创建一个用来读取数据的,字符缓冲流
String result=""; //创建用来接收数据的字符串
try {
URL url = new URL("http://api2.ofpay.com/querybigcard.do");//创建URL对象
URLConnection con = url.openConnection(); //打开和URL之间的链接(打开连接)
//设置通用的请求属性
con.setRequestProperty("accept", "*/*");
con.setRequestProperty("connection", "Keep-Alive");
con.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
//建立实际的链接
con.connect();
//定义BufferedReader字符缓冲流 ,来读取URL的响应
in=new BufferedReader(new InputStreamReader(con.getInputStream()));
//定义一个用来接收,一行行数据的字符串;
String line;
while ((line = in.readLine())!= null) {
result+=line;
}
System.out.println(result);
} catch (Exception e) {
e.printStackTrace();
}